CA1063244A - Resonant cavity magnetron having a helical cathode - Google Patents

Resonant cavity magnetron having a helical cathode

Info

Publication number
CA1063244A
CA1063244A CA252,827A CA252827A CA1063244A CA 1063244 A CA1063244 A CA 1063244A CA 252827 A CA252827 A CA 252827A CA 1063244 A CA1063244 A CA 1063244A
Authority
CA
Canada
Prior art keywords
cathode
helix
supporting rod
end plate
secured
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA252,827A
Other languages
English (en)
French (fr)
Inventor
Egbert B.G.W. Gotje
Joannes B.M.A. Van Besouw
Franciscus N.A. Kerstens
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Priority to CA321,710A priority Critical patent/CA1063245A/en
Application granted granted Critical
Publication of CA1063244A publication Critical patent/CA1063244A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/15—Cathodes heated directly by an electric current
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/02—Electrodes; Magnetic control means; Screens
    • H01J23/04—Cathodes
    • H01J23/05—Cathodes having a cylindrical emissive surface, e.g. cathodes for magnetrons

Landscapes

  • Microwave Tubes (AREA)
CA252,827A 1975-05-20 1976-05-13 Resonant cavity magnetron having a helical cathode Expired CA1063244A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA321,710A CA1063245A (en) 1975-05-20 1979-02-15 Resonant cavity magnetron having a helical cathode

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7505871A NL7505871A (nl) 1975-05-20 1975-05-20 Trilholtemagnetron voorzien van een schroeflijn- vormige kathode.

Publications (1)

Publication Number Publication Date
CA1063244A true CA1063244A (en) 1979-09-25

Family

ID=19823771

Family Applications (1)

Application Number Title Priority Date Filing Date
CA252,827A Expired CA1063244A (en) 1975-05-20 1976-05-13 Resonant cavity magnetron having a helical cathode

Country Status (7)

Country Link
US (1) US4066928A (ja)
JP (1) JPS51142955A (ja)
CA (1) CA1063244A (ja)
DE (1) DE2620159C3 (ja)
FR (1) FR2312106A1 (ja)
GB (2) GB1518183A (ja)
NL (1) NL7505871A (ja)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52157752U (ja) * 1976-05-24 1977-11-30
JPS5496964A (en) * 1978-01-18 1979-07-31 Toshiba Corp Magnetron
JPS5545117U (ja) * 1978-09-20 1980-03-24
JPS5571443U (ja) * 1978-11-09 1980-05-16
US4264843A (en) * 1979-09-27 1981-04-28 Rca Corp. Magnetron filament assembly
US4547693A (en) * 1983-05-25 1985-10-15 M/A Com, Inc. Re-entrant cathode support
JPS61156624A (ja) * 1984-12-28 1986-07-16 Toshiba Corp 電子レンジ用マグネトロン
US4675573A (en) * 1985-08-23 1987-06-23 Varian Associates, Inc. Method and apparatus for quickly heating a vacuum tube cathode
DE4035361A1 (de) * 1990-11-07 1992-05-14 Licentia Gmbh Verfahren zum herstellen einer direkt geheizten kathode
KR0161015B1 (ko) * 1992-07-28 1998-12-01 강진구 마그네트론의 음극지지구조체
CN102243971A (zh) * 2010-05-12 2011-11-16 乐金电子(天津)电器有限公司 磁控管的阴极导线结构

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3944872A (en) * 1952-08-11 1976-03-16 General Electric Company Radio frequency noise generating magnetron
US3290941A (en) * 1963-05-21 1966-12-13 David M Goodman Electron discharge devices with automatic temperature control
US3465201A (en) * 1967-03-27 1969-09-02 Philips Corp Magnetron casing
JPS5146754Y2 (ja) * 1971-05-08 1976-11-11
JPS5352374Y2 (ja) * 1972-06-30 1978-12-14
JPS50129763A (ja) * 1974-04-02 1975-10-14

Also Published As

Publication number Publication date
NL7505871A (nl) 1976-11-23
GB1518183A (en) 1978-07-19
JPS5635255B2 (ja) 1981-08-15
DE2620159B2 (de) 1978-07-20
DE2620159C3 (de) 1979-03-22
DE2620159A1 (de) 1976-12-09
JPS51142955A (en) 1976-12-08
US4066928A (en) 1978-01-03
FR2312106A1 (fr) 1976-12-17
FR2312106B1 (ja) 1980-09-12
GB1519439A (en) 1978-07-26

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